Carl's Jr. is not known for their subtlety in advertisement. In the past the burger chain has portrayed the likes of Paris Hilton, Kim Kardashian and Miss Turkey as pieces of meat in super sexy spots for their artery busting fare.

But their latest effort is probably their greatest. Reason being: Kate Upton. She's at the drive-in and really enjoying her Southwest Patty Melt.

That's actually the directors cut of the commercial, which just means there is an extra 20 seconds of Upton seducing fast food. What do you know? We could be directors. "Let's get more of Kate with her mouth open real wide. And action!"

If you want to hear Upton talk about the revealing shoot, check out the behind the scenes video below.

[via 104.5 The Team]